Internally grooved tubes

Pipe condition: soft

Pipe type: soft steel coils with smooth winding

“Pancake” copper tubes

Pipe condition: hard, soft

Pipe type: flat spiral (pancake)

Copper tubes in straight lengths

Pipe condition: soft, hard, semi-hard

Pipe type: straight lengths

Copper tubes in level wound coils (LWC)

Pipe condition: soft or hard

Pipe type: level wound coil (LWC)